Ring Main Unit Circuit Diagram

17 5 kv 2 ring switches up to 630 a 1 vacuum circuit breaker up to 630a.

Ring main unit circuit diagram. Front view and single line diagram figure 2. This incomer feeder is given with the provision of bushing protruding from the enclosure of rmu for supply cable connection. Understanding domestic electric lighting circuits uk explanation of diffe domestric wirings wiring appliances in premises diagrams for diynot forums bb9 kitchen ring main diagram library good consumer unit design and low fields the house what are advantages a circuit quora electrics socket a1 final understanding domestic electric lighting circuits uk explanation of diffe domestric electric. 17 5 kv 2 ring switches up to 630a 1 vacuum circuit breaker up to 630a.

7 vacuum circuit breaker 8 ring switch cable. As you can see it eliminates the need to wire a socket all the way back to the a consumer unit but the nearest ring main socket is used instead. Its simplicity makes it a great arrangement for that use. Front view and single line diagram.

The main purpose of a spur is adding an extra socket on to an existing ring main circuit. It is a ring of cables usually 2 5mm carrying twin and earth wires circling your home carrying the mains electricity to sockets on the way. The incomer feeder is either vacuum circuit breaker or sf 6 circuit breaker with associated disconnect switch and earth switch. Ring main unit comprises of one incomer feeder and one or more outgoing feeder.

What is a ring main or ring final circuit or final circuit.